| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [adv] possible [to-vb] | 131 |
|
| 2 | is often [adv] [adj] [to-vb] | 48 |
|
| 3 | is often [adv] [adj] [to-vb] | 46 |
|
| 4 | [be] often [adv] possible [to-vb] | 7 |
|
| 5 | be often [adv] possible [to-vb] | 7 |
|
| 6 | [is] often [adv] possible [to-vb] | 6 |
|
| 7 | is often [adv] possible [to-vb] | 6 |
|
| 8 | is often [adv] possible [verb] | 6 |
|
